Solar fan



FIG. 1 is a view of the front face of the solar fan;

FIG. 2 is a view of the reverse face of the solar fan;

FIG. 3 is a view of the right face of the solar fan;

FIG. 4 is a view of the left face of the solar fan;

FIG. 5 is a view of the top face of the solar fan;

FIG. 6 is a view of the bottom face of the solar fan; and,

FIG. 7 is a perspective view of the solar fan. 

The ornamental design for a solar fan, as shown and described. 